#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int my_strlen(char* arr)
{
	int i = 0;
	int cnt = 0;
	while (*arr != '\0')
	{
		cnt++;
		arr++;
	}
	return cnt;
}
int main()
{
	char arr[10] = "scdsvfd";
	int len = my_strlen(arr);

	printf("%d", len);
	return 0;
}